Hooker is proud to introduce the RacingHeart line of headers. Our Big Block Chevy Downswept, 3-Step Dragster Headers feature 2.125 in./2.25 in./2.375 in. stepped primary tubes and 4.5" collectors with merge spears to maximize exhaust flow, resulting in horsepower and torque gains over a broad rpm range. They are available in both Chrome plated Mild Steel and Polished 304 Stainless Steel.